/**
 * Medical Practice Theme - Professional Healthcare UI
 * Designed for General Practitioners and Medical Surgeries
 */

/* ============================================
   CSS CUSTOM PROPERTIES (Theme Variables)
   ============================================ */
:root {
    /* Primary Medical Colors */
    --medical-primary: #1a5276;
    --medical-primary-light: #2980b9;
    --medical-primary-dark: #154360;

    /* Secondary/Accent Colors */
    --medical-secondary: #16a085;
    --medical-secondary-light: #1abc9c;
    --medical-secondary-dark: #117a65;

    /* Status Colors */
    --medical-success: #27ae60;
    --medical-warning: #f39c12;
    --medical-danger: #e74c3c;
    --medical-info: #3498db;

    /* Neutral Colors */
    --medical-white: #ffffff;
    --medical-light: #f8f9fa;
    --medical-gray-100: #f1f3f5;
    --medical-gray-200: #e9ecef;
    --medical-gray-300: #dee2e6;
    --medical-gray-400: #ced4da;
    --medical-gray-500: #adb5bd;
    --medical-gray-600: #6c757d;
    --medical-gray-700: #495057;
    --medical-gray-800: #343a40;
    --medical-dark: #2c3e50;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================
   BASE STYLES
   ============================================ */
body {
    font-family: var(--font-primary);
    background-color: var(--medical-light);
    color: var(--medical-gray-800);
    line-height: 1.6;
}

/* ============================================
   WELCOME HEADER
   ============================================ */
.welcome-header {
    background: linear-gradient(135deg, var(--medical-primary) 0%, var(--medical-primary-light) 100%);
    color: var(--medical-white);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.welcome-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.welcome-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.welcome-header .datetime {
    font-size: 0.95rem;
    opacity: 0.9;
}

.welcome-header .subtitle {
    font-size: 1rem;
    opacity: 0.85;
    margin-top: var(--spacing-sm);
}

/* ============================================
   QUICK ACTIONS BAR
   ============================================ */
.quick-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.quick-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--medical-white);
    border: 2px solid var(--medical-gray-200);
    border-radius: var(--radius-full);
    color: var(--medical-gray-700);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.quick-action-btn:hover {
    border-color: var(--medical-primary);
    color: var(--medical-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-action-btn i {
    font-size: 1.1rem;
}

.quick-action-btn.primary {
    background: var(--medical-primary);
    border-color: var(--medical-primary);
    color: var(--medical-white);
}

.quick-action-btn.primary:hover {
    background: var(--medical-primary-dark);
    border-color: var(--medical-primary-dark);
    color: var(--medical-white);
}

/* ============================================
   STATS CARDS (Metric Cards)
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--medical-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    border-left: 4px solid transparent;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card.patients {
    border-left-color: var(--medical-primary);
}

.stat-card.appointments {
    border-left-color: var(--medical-secondary);
}

.stat-card.prescriptions {
    border-left-color: var(--medical-info);
}

.stat-card.today {
    border-left-color: var(--medical-warning);
}

.stat-card.urgent {
    border-left-color: var(--medical-danger);
}

.stat-card .stat-icon {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0.15;
}

.stat-card.patients .stat-icon { color: var(--medical-primary); }
.stat-card.appointments .stat-icon { color: var(--medical-secondary); }
.stat-card.prescriptions .stat-icon { color: var(--medical-info); }
.stat-card.today .stat-icon { color: var(--medical-warning); }
.stat-card.urgent .stat-icon { color: var(--medical-danger); }

.stat-card .stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--medical-dark);
    line-height: 1.2;
    margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--medical-gray-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .stat-trend {
    font-size: 0.8rem;
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-card .stat-trend.up { color: var(--medical-success); }
.stat-card .stat-trend.down { color: var(--medical-danger); }

/* ============================================
   DASHBOARD CARDS
   ============================================ */
.dashboard-card {
    background: var(--medical-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    transition: box-shadow var(--transition-normal);
}

.dashboard-card:hover {
    box-shadow: var(--shadow-lg);
}

.dashboard-card .card-header {
    background: var(--medical-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--medical-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dashboard-card .card-header h5,
.dashboard-card .card-header h4 {
    margin: 0;
    font-weight: 600;
    color: var(--medical-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.dashboard-card .card-header h5 i,
.dashboard-card .card-header h4 i {
    color: var(--medical-primary);
}

.dashboard-card .card-header.primary {
    background: linear-gradient(135deg, var(--medical-primary) 0%, var(--medical-primary-light) 100%);
    color: var(--medical-white);
}

.dashboard-card .card-header.primary h5,
.dashboard-card .card-header.primary h4,
.dashboard-card .card-header.primary i {
    color: var(--medical-white);
}

.dashboard-card .card-header.success {
    background: linear-gradient(135deg, var(--medical-secondary) 0%, var(--medical-secondary-light) 100%);
    color: var(--medical-white);
}

.dashboard-card .card-header.warning {
    background: linear-gradient(135deg, var(--medical-warning) 0%, #f1c40f 100%);
    color: var(--medical-dark);
}

.dashboard-card .card-body {
    padding: var(--spacing-lg);
}

/* ============================================
   TODAY'S SCHEDULE
   ============================================ */
.schedule-timeline {
    position: relative;
}

.schedule-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--medical-gray-100);
    transition: background-color var(--transition-fast);
}

.schedule-item:last-child {
    border-bottom: none;
}

.schedule-item:hover {
    background-color: var(--medical-gray-100);
    margin: 0 calc(-1 * var(--spacing-lg));
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.schedule-time {
    min-width: 80px;
    font-weight: 600;
    color: var(--medical-primary);
    font-size: 0.95rem;
}

.schedule-content {
    flex: 1;
}

.schedule-patient {
    font-weight: 600;
    color: var(--medical-dark);
    margin-bottom: var(--spacing-xs);
}

.schedule-details {
    font-size: 0.875rem;
    color: var(--medical-gray-600);
}

.schedule-status {
    display: flex;
    align-items: flex-start;
}

/* ============================================
   STATUS BADGES
   ============================================ */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.scheduled {
    background: rgba(52, 152, 219, 0.15);
    color: var(--medical-info);
}

.status-badge.confirmed {
    background: rgba(39, 174, 96, 0.15);
    color: var(--medical-success);
}

.status-badge.in-progress {
    background: rgba(243, 156, 18, 0.15);
    color: var(--medical-warning);
}

.status-badge.completed {
    background: rgba(39, 174, 96, 0.15);
    color: var(--medical-success);
}

.status-badge.cancelled {
    background: rgba(231, 76, 60, 0.15);
    color: var(--medical-danger);
}

.status-badge.pending {
    background: rgba(108, 117, 125, 0.15);
    color: var(--medical-gray-600);
}

.status-badge.urgent {
    background: rgba(231, 76, 60, 0.15);
    color: var(--medical-danger);
    animation: pulse-urgent 2s infinite;
}

@keyframes pulse-urgent {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ============================================
   PATIENT CARDS
   ============================================ */
.patient-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--medical-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--medical-gray-200);
    transition: all var(--transition-fast);
}

.patient-card:hover {
    border-color: var(--medical-primary);
    box-shadow: var(--shadow-md);
}

.patient-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--medical-primary) 0%, var(--medical-primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medical-white);
    font-weight: 600;
    font-size: 1.1rem;
}

.patient-info {
    flex: 1;
}

.patient-name {
    font-weight: 600;
    color: var(--medical-dark);
    margin-bottom: var(--spacing-xs);
}

.patient-details {
    font-size: 0.875rem;
    color: var(--medical-gray-600);
}

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */
.alert-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.alert-card.urgent {
    background: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--medical-danger);
}

.alert-card.warning {
    background: rgba(243, 156, 18, 0.1);
    border-left: 4px solid var(--medical-warning);
}

.alert-card.info {
    background: rgba(52, 152, 219, 0.1);
    border-left: 4px solid var(--medical-info);
}

.alert-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.alert-card.urgent .alert-icon {
    background: var(--medical-danger);
    color: var(--medical-white);
}

.alert-card.warning .alert-icon {
    background: var(--medical-warning);
    color: var(--medical-white);
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    font-size: 0.875rem;
    color: var(--medical-gray-600);
}

/* ============================================
   TABLES - ENHANCED
   ============================================ */
.medical-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.medical-table thead th {
    background: var(--medical-light);
    color: var(--medical-gray-700);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--medical-gray-200);
}

.medical-table tbody td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--medical-gray-100);
    vertical-align: middle;
}

.medical-table tbody tr:hover {
    background-color: var(--medical-gray-100);
}

.medical-table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   FORMS - ENHANCED
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--medical-gray-700);
}

.form-label.required::after {
    content: ' *';
    color: var(--medical-danger);
}

.form-control-enhanced {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--medical-gray-800);
    background-color: var(--medical-white);
    border: 2px solid var(--medical-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control-enhanced:focus {
    border-color: var(--medical-primary);
    box-shadow: 0 0 0 3px rgba(26, 82, 118, 0.15);
    outline: none;
}

.form-control-enhanced:disabled {
    background-color: var(--medical-gray-100);
    cursor: not-allowed;
}

/* ============================================
   BUTTONS - ENHANCED
   ============================================ */
.btn-medical {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.btn-medical-primary {
    background: linear-gradient(135deg, var(--medical-primary) 0%, var(--medical-primary-light) 100%);
    color: var(--medical-white);
}

.btn-medical-primary:hover {
    background: linear-gradient(135deg, var(--medical-primary-dark) 0%, var(--medical-primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--medical-white);
}

.btn-medical-secondary {
    background: var(--medical-white);
    color: var(--medical-gray-700);
    border: 2px solid var(--medical-gray-300);
}

.btn-medical-secondary:hover {
    border-color: var(--medical-primary);
    color: var(--medical-primary);
}

.btn-medical-success {
    background: linear-gradient(135deg, var(--medical-secondary) 0%, var(--medical-secondary-light) 100%);
    color: var(--medical-white);
}

.btn-medical-danger {
    background: linear-gradient(135deg, var(--medical-danger) 0%, #c0392b 100%);
    color: var(--medical-white);
}

/* ============================================
   SIDEBAR ENHANCEMENTS
   ============================================ */
.sidebar-enhanced {
    background: linear-gradient(180deg, var(--medical-dark) 0%, var(--medical-primary-dark) 100%);
}

.sidebar-brand {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.sidebar-nav-item {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--medical-white);
}

.sidebar-nav-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--medical-white);
    border-left-color: var(--medical-secondary-light);
}

.sidebar-nav-item i {
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--medical-gray-500);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--medical-gray-600);
    margin-bottom: var(--spacing-sm);
}

.empty-state-message {
    color: var(--medical-gray-500);
    max-width: 300px;
    margin: 0 auto;
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--medical-gray-200) 25%, var(--medical-gray-100) 50%, var(--medical-gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

/* ---- Tablet landscape (max 992px) ---- */
@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-actions {
        justify-content: center;
    }

    .dashboard-card .card-header {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .stat-card .stat-value {
        font-size: 1.85rem;
    }
}

/* ---- Tablet portrait (max 768px) ---- */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .welcome-header {
        padding: var(--spacing-lg);
    }

    .welcome-header h1 {
        font-size: 1.5rem;
    }

    .quick-actions {
        gap: var(--spacing-sm);
    }

    .quick-action-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }

    .schedule-item {
        flex-wrap: wrap;
    }

    .schedule-time {
        min-width: auto;
        width: 100%;
        margin-bottom: var(--spacing-xs);
    }

    .patient-card {
        flex-wrap: wrap;
    }

    /* Make card headers stack on tablets */
    .dashboard-card .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .stat-card .stat-value {
        font-size: 1.65rem;
    }

    .stat-card .stat-label {
        font-size: 0.8rem;
    }
}

/* ---- Mobile (max 576px) ---- */
@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .welcome-header {
        padding: var(--spacing-md);
    }

    .welcome-header h1 {
        font-size: 1.35rem;
    }

    .welcome-header .subtitle {
        font-size: 0.9rem;
    }

    .quick-action-btn {
        width: 100%;
        justify-content: center;
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .dashboard-card .card-body {
        padding: var(--spacing-md);
    }

    .empty-state {
        padding: var(--spacing-lg);
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    .empty-state-title {
        font-size: 1.1rem;
    }

    /* Touch-friendly form controls */
    .form-control-enhanced {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Touch-friendly buttons */
    .btn-medical {
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 44px;
        font-size: 0.95rem;
    }

    .alert-card {
        flex-direction: column;
    }

    .schedule-item:hover {
        margin: 0;
        padding-left: 0;
        padding-right: 0;
    }
}

/* ---- Small mobile (max 375px) ---- */
@media (max-width: 375px) {
    .stats-grid {
        gap: var(--spacing-sm);
    }

    .stat-card .stat-value {
        font-size: 1.35rem;
    }

    .welcome-header h1 {
        font-size: 1.2rem;
    }

    .quick-action-btn {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .sidebar-enhanced,
    .quick-actions,
    .btn-medical {
        display: none !important;
    }

    .dashboard-card {
        box-shadow: none;
        border: 1px solid var(--medical-gray-300);
    }
}